US5598482A - Image rendering system and associated method for minimizing contours in a quantized digital color image - Google Patents
Image rendering system and associated method for minimizing contours in a quantized digital color image Download PDFInfo
- Publication number
- US5598482A US5598482A US08/243,433 US24343394A US5598482A US 5598482 A US5598482 A US 5598482A US 24343394 A US24343394 A US 24343394A US 5598482 A US5598482 A US 5598482A
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- US
- United States
- Prior art keywords
- pixel
- determining
- image
- quantized
- value
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Input (AREA)
Abstract
Description
C'(i,j)=C(i,j)+d(i mod N, j mod N)
∇y=|∇y.sub.H |+|∇y.sub.V |
γ.sub.p =∇y.sub.p.sup.Q -∇y.sub.p.sup.C
Claims (13)
y.sub.p =a.sup.t C.sub.p
Y.sub.p -a.sup.t C.sub.p
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/243,433 US5598482A (en) | 1992-02-11 | 1994-05-16 | Image rendering system and associated method for minimizing contours in a quantized digital color image |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83386592A | 1992-02-11 | 1992-02-11 | |
US08/243,433 US5598482A (en) | 1992-02-11 | 1994-05-16 | Image rendering system and associated method for minimizing contours in a quantized digital color image |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US83386592A Continuation | 1992-02-11 | 1992-02-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
US5598482A true US5598482A (en) | 1997-01-28 |
Family
ID=25265477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/243,433 Expired - Lifetime US5598482A (en) | 1992-02-11 | 1994-05-16 | Image rendering system and associated method for minimizing contours in a quantized digital color image |
Country Status (4)
Country | Link |
---|---|
US (1) | US5598482A (en) |
EP (1) | EP0555674B1 (en) |
JP (1) | JP3347173B2 (en) |
DE (1) | DE69324513T2 (en) |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5901245A (en) * | 1997-01-23 | 1999-05-04 | Eastman Kodak Company | Method and system for detection and characterization of open space in digital images |
US6040876A (en) * | 1995-10-13 | 2000-03-21 | Texas Instruments Incorporated | Low intensity contouring and color shift reduction using dither |
US6128416A (en) * | 1993-09-10 | 2000-10-03 | Olympus Optical Co., Ltd. | Image composing technique for optimally composing a single image from a plurality of digital images |
US6167167A (en) * | 1996-07-05 | 2000-12-26 | Canon Kabushiki Kaisha | Image extractions apparatus and method |
US20010022852A1 (en) * | 2000-02-21 | 2001-09-20 | Jean-Charles Gicquel | Method of monitoring the quality of distributed digital images by detecting false contours |
US6453069B1 (en) * | 1996-11-20 | 2002-09-17 | Canon Kabushiki Kaisha | Method of extracting image from input image using reference image |
US20020158975A1 (en) * | 2000-07-06 | 2002-10-31 | Seiko Epson Corporation | Image processing method, recording medium, and image processing apparatus |
US20030012427A1 (en) * | 2001-07-12 | 2003-01-16 | Eugenio Martinez-Uriegas | Image-based selection of gamut mapping |
US20030198387A1 (en) * | 2002-04-22 | 2003-10-23 | Tinku Acharya | Method and apparatus for image retrieval |
US6647152B2 (en) | 2002-01-25 | 2003-11-11 | Thomson Licensing S.A. | Method and system for contouring reduction |
US20040100465A1 (en) * | 2000-08-24 | 2004-05-27 | Stowe Jason A | Computerized image system |
US6778697B1 (en) * | 1999-02-05 | 2004-08-17 | Samsung Electronics Co., Ltd. | Color image processing method and apparatus thereof |
EP1522963A1 (en) * | 2003-10-07 | 2005-04-13 | Deutsche Thomson-Brandt Gmbh | Method for processing video pictures for false contours and dithering noise compensation |
EP1522964A1 (en) * | 2003-10-07 | 2005-04-13 | Thomson Licensing S.A. | Method for processing video pictures for false contours and dithering noise compensation |
US20050141779A1 (en) * | 2003-12-24 | 2005-06-30 | Daly Scott J. | Enhancing the quality of decoded quantized images |
US20050147317A1 (en) * | 2003-12-24 | 2005-07-07 | Daly Scott J. | Enhancing the quality of decoded quantized images |
US20060023943A1 (en) * | 2004-07-30 | 2006-02-02 | Canon Kabushiki Kaisha | Image processing method and image processing apparatus |
US20060072128A1 (en) * | 2004-09-27 | 2006-04-06 | Ng Yee S | Color contour detection and correction |
US20080002766A1 (en) * | 2006-06-29 | 2008-01-03 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, image processing program, and storage medium |
US20080080786A1 (en) * | 2002-05-10 | 2008-04-03 | 976076 Alberta Inc. | Filtering artifact from fMRI data using the stockwell transform |
US20080152222A1 (en) * | 2006-12-26 | 2008-06-26 | Sanyo Electric Co., Ltd. | Noise reduction circuit and image processing device |
US20080175474A1 (en) * | 2007-01-18 | 2008-07-24 | Samsung Electronics Co., Ltd. | Method and system for adaptive quantization layer reduction in image processing applications |
US20090087044A1 (en) * | 2007-09-27 | 2009-04-02 | Mitsumi Electric Co., Ltd. | Finger Contact Detecting Apparatus, Finger Contact Detecting Method, Fingerprint Reading Apparatus and Fingerprint Reading Method |
US7826671B2 (en) | 2006-11-21 | 2010-11-02 | Samsung Electronics Co., Ltd. | Method and system for quantization layer reduction in digital image processing |
US20110135201A1 (en) * | 2006-06-29 | 2011-06-09 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, and image processing program |
US8090210B2 (en) | 2006-03-30 | 2012-01-03 | Samsung Electronics Co., Ltd. | Recursive 3D super precision method for smoothly changing area |
US20140015921A1 (en) * | 2012-07-16 | 2014-01-16 | Noiseless Imaging Oy Ltd. | Methods and systems for suppressing noise in images |
US20150213585A1 (en) * | 2014-01-30 | 2015-07-30 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, and storage medium |
US9811884B2 (en) | 2012-07-16 | 2017-11-07 | Flir Systems, Inc. | Methods and systems for suppressing atmospheric turbulence in images |
US11113791B2 (en) | 2017-01-03 | 2021-09-07 | Flir Systems, Inc. | Image noise reduction using spectral transforms |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MY135412A (en) * | 1999-02-05 | 2008-04-30 | Samsung Electronics Co Ltd | Color image processing method and apparatus thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4366507A (en) * | 1980-01-17 | 1982-12-28 | Fuji Photo Film Co., Ltd. | Shaded picture signal processing system and method |
US4415920A (en) * | 1980-09-19 | 1983-11-15 | Canon Kabushiki Kaisha | Image signal processing unit |
US5025478A (en) * | 1989-03-22 | 1991-06-18 | U.S. Philips Corp. | Method and apparatus for detecting false edges in an image |
US5083210A (en) * | 1990-09-28 | 1992-01-21 | Xerox Corporation | Elimination of contouring on displayed gray level images |
US5157741A (en) * | 1987-05-18 | 1992-10-20 | Canon Kabushiki Kaisha | Image processing method and apparatus for out-putting dot-processed data with suppression of false contours and other noise |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2582426B1 (en) * | 1985-05-22 | 1987-07-24 | Telemecanique Electrique | METHOD AND DEVICE FOR IDENTIFYING THE CLOSED CONTOURS OF OBJECTS PLACED ON A SURFACE |
US5040225A (en) * | 1987-12-07 | 1991-08-13 | Gdp, Inc. | Image analysis method |
US5210623A (en) * | 1989-12-21 | 1993-05-11 | Eastman Kodak Company | Apparatus and method for quantizing and/or reconstructing multi-dimensional digital image signals |
US5101452A (en) * | 1990-12-17 | 1992-03-31 | Eastman Kodak Company | Apparatus and method for dynamic step quantization |
-
1993
- 1993-01-22 DE DE69324513T patent/DE69324513T2/en not_active Expired - Fee Related
- 1993-01-22 EP EP93101003A patent/EP0555674B1/en not_active Expired - Lifetime
- 1993-02-10 JP JP02268993A patent/JP3347173B2/en not_active Expired - Fee Related
-
1994
- 1994-05-16 US US08/243,433 patent/US5598482A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4366507A (en) * | 1980-01-17 | 1982-12-28 | Fuji Photo Film Co., Ltd. | Shaded picture signal processing system and method |
US4415920A (en) * | 1980-09-19 | 1983-11-15 | Canon Kabushiki Kaisha | Image signal processing unit |
US5157741A (en) * | 1987-05-18 | 1992-10-20 | Canon Kabushiki Kaisha | Image processing method and apparatus for out-putting dot-processed data with suppression of false contours and other noise |
US5025478A (en) * | 1989-03-22 | 1991-06-18 | U.S. Philips Corp. | Method and apparatus for detecting false edges in an image |
US5083210A (en) * | 1990-09-28 | 1992-01-21 | Xerox Corporation | Elimination of contouring on displayed gray level images |
Cited By (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6128416A (en) * | 1993-09-10 | 2000-10-03 | Olympus Optical Co., Ltd. | Image composing technique for optimally composing a single image from a plurality of digital images |
US6040876A (en) * | 1995-10-13 | 2000-03-21 | Texas Instruments Incorporated | Low intensity contouring and color shift reduction using dither |
US6757444B2 (en) | 1996-07-05 | 2004-06-29 | Canon Kabushiki Kaisha | Image extraction apparatus and method |
US6167167A (en) * | 1996-07-05 | 2000-12-26 | Canon Kabushiki Kaisha | Image extractions apparatus and method |
US6453069B1 (en) * | 1996-11-20 | 2002-09-17 | Canon Kabushiki Kaisha | Method of extracting image from input image using reference image |
US6766055B2 (en) | 1996-11-20 | 2004-07-20 | Canon Kabushiki Kaisha | Method of extracting image from input image using reference image |
US5901245A (en) * | 1997-01-23 | 1999-05-04 | Eastman Kodak Company | Method and system for detection and characterization of open space in digital images |
US6778697B1 (en) * | 1999-02-05 | 2004-08-17 | Samsung Electronics Co., Ltd. | Color image processing method and apparatus thereof |
US20010022852A1 (en) * | 2000-02-21 | 2001-09-20 | Jean-Charles Gicquel | Method of monitoring the quality of distributed digital images by detecting false contours |
US6707943B2 (en) * | 2000-02-21 | 2004-03-16 | France Telecom | Method of monitoring the quality of distributed digital images by detecting false contours |
US20020158975A1 (en) * | 2000-07-06 | 2002-10-31 | Seiko Epson Corporation | Image processing method, recording medium, and image processing apparatus |
US7199902B2 (en) * | 2000-07-06 | 2007-04-03 | Seiko Epson Corporation | Image processing method, recording medium, and image processing apparatus |
US20040100465A1 (en) * | 2000-08-24 | 2004-05-27 | Stowe Jason A | Computerized image system |
US7034825B2 (en) | 2000-08-24 | 2006-04-25 | Stowe Jason A | Computerized image system |
US20030012427A1 (en) * | 2001-07-12 | 2003-01-16 | Eugenio Martinez-Uriegas | Image-based selection of gamut mapping |
US6961477B2 (en) | 2001-07-12 | 2005-11-01 | Canon Kabushiki Kaisha | Image-based selection of gamut mapping |
US6647152B2 (en) | 2002-01-25 | 2003-11-11 | Thomson Licensing S.A. | Method and system for contouring reduction |
US20030198387A1 (en) * | 2002-04-22 | 2003-10-23 | Tinku Acharya | Method and apparatus for image retrieval |
US20080080786A1 (en) * | 2002-05-10 | 2008-04-03 | 976076 Alberta Inc. | Filtering artifact from fMRI data using the stockwell transform |
US7502526B2 (en) * | 2002-05-10 | 2009-03-10 | Calgary Scientific Inc. | Filtering artifact from fMRI data using the stockwell transform |
EP1522964A1 (en) * | 2003-10-07 | 2005-04-13 | Thomson Licensing S.A. | Method for processing video pictures for false contours and dithering noise compensation |
EP1522963A1 (en) * | 2003-10-07 | 2005-04-13 | Deutsche Thomson-Brandt Gmbh | Method for processing video pictures for false contours and dithering noise compensation |
KR101077251B1 (en) | 2003-10-07 | 2011-10-27 | 톰슨 라이센싱 | Method for processing video pictures for false contours and dithering noise compensation |
US20050083343A1 (en) * | 2003-10-07 | 2005-04-21 | Sebastien Weitbruch | Method for processing video pictures for false contours and dithering noise compensation |
US7176939B2 (en) | 2003-10-07 | 2007-02-13 | Thomson Licensing | Method for processing video pictures for false contours and dithering noise compensation |
US7424168B2 (en) * | 2003-12-24 | 2008-09-09 | Sharp Laboratories Of America, Inc. | Enhancing the quality of decoded quantized images |
US7424166B2 (en) * | 2003-12-24 | 2008-09-09 | Sharp Laboratories Of America, Inc. | Enhancing the quality of decoded quantized images |
US20050147317A1 (en) * | 2003-12-24 | 2005-07-07 | Daly Scott J. | Enhancing the quality of decoded quantized images |
US20080298711A1 (en) * | 2003-12-24 | 2008-12-04 | Sharp Laboratories Of America, Inc. | Enhancing the quality of decoded quantized images |
US20050141779A1 (en) * | 2003-12-24 | 2005-06-30 | Daly Scott J. | Enhancing the quality of decoded quantized images |
US7907787B2 (en) | 2003-12-24 | 2011-03-15 | Sharp Laboratories Of America, Inc. | Enhancing the quality of decoded quantized images |
US7899244B2 (en) * | 2004-07-30 | 2011-03-01 | Canon Kabushiki Kaisha | Color shift correction image processing method and image processing apparatus |
US20060023943A1 (en) * | 2004-07-30 | 2006-02-02 | Canon Kabushiki Kaisha | Image processing method and image processing apparatus |
US7653239B2 (en) * | 2004-07-30 | 2010-01-26 | Canon Kabushiki Kaisha | Image processing method and image processing apparatus for correcting for color shift occurring in color image data |
US20100188673A1 (en) * | 2004-07-30 | 2010-07-29 | Canon Kabushiki Kaisha | Image processing method and image processing apparatus |
US20060072128A1 (en) * | 2004-09-27 | 2006-04-06 | Ng Yee S | Color contour detection and correction |
US7508545B2 (en) * | 2004-09-27 | 2009-03-24 | Eastman Kodak Company | Color contour detection and correction |
US8090210B2 (en) | 2006-03-30 | 2012-01-03 | Samsung Electronics Co., Ltd. | Recursive 3D super precision method for smoothly changing area |
US20110135201A1 (en) * | 2006-06-29 | 2011-06-09 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, and image processing program |
US20080002766A1 (en) * | 2006-06-29 | 2008-01-03 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, image processing program, and storage medium |
US8175155B2 (en) | 2006-06-29 | 2012-05-08 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, image processing program, and storage medium |
US8139849B2 (en) * | 2006-06-29 | 2012-03-20 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, and image processing program |
US7826671B2 (en) | 2006-11-21 | 2010-11-02 | Samsung Electronics Co., Ltd. | Method and system for quantization layer reduction in digital image processing |
US8165420B2 (en) * | 2006-12-26 | 2012-04-24 | Sanyo Electric Co., Ltd. | Noise reduction circuit and image processing device |
US20080152222A1 (en) * | 2006-12-26 | 2008-06-26 | Sanyo Electric Co., Ltd. | Noise reduction circuit and image processing device |
US20080175474A1 (en) * | 2007-01-18 | 2008-07-24 | Samsung Electronics Co., Ltd. | Method and system for adaptive quantization layer reduction in image processing applications |
US7925086B2 (en) * | 2007-01-18 | 2011-04-12 | Samsung Electronics Co, Ltd. | Method and system for adaptive quantization layer reduction in image processing applications |
US8295626B2 (en) | 2007-01-18 | 2012-10-23 | Samsung Electronics Co., Ltd. | Method and system for adaptive quantization layer reduction in image processing applications |
US8131027B2 (en) | 2007-09-27 | 2012-03-06 | Mitsumi Electric Co., Ltd. | Finger contact detecting apparatus, finger contact detecting method, fingerprint reading apparatus and computer-readable recording medium |
US20090087044A1 (en) * | 2007-09-27 | 2009-04-02 | Mitsumi Electric Co., Ltd. | Finger Contact Detecting Apparatus, Finger Contact Detecting Method, Fingerprint Reading Apparatus and Fingerprint Reading Method |
US20140015921A1 (en) * | 2012-07-16 | 2014-01-16 | Noiseless Imaging Oy Ltd. | Methods and systems for suppressing noise in images |
US9635220B2 (en) * | 2012-07-16 | 2017-04-25 | Flir Systems, Inc. | Methods and systems for suppressing noise in images |
US9811884B2 (en) | 2012-07-16 | 2017-11-07 | Flir Systems, Inc. | Methods and systems for suppressing atmospheric turbulence in images |
US20150213585A1 (en) * | 2014-01-30 | 2015-07-30 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, and storage medium |
US10229474B2 (en) * | 2014-01-30 | 2019-03-12 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, and storage medium |
US11113791B2 (en) | 2017-01-03 | 2021-09-07 | Flir Systems, Inc. | Image noise reduction using spectral transforms |
US11227365B2 (en) | 2017-01-03 | 2022-01-18 | Flir Systems, Inc. | Image noise reduction using spectral transforms |
Also Published As
Publication number | Publication date |
---|---|
JPH05344336A (en) | 1993-12-24 |
JP3347173B2 (en) | 2002-11-20 |
EP0555674B1 (en) | 1999-04-21 |
DE69324513D1 (en) | 1999-05-27 |
EP0555674A2 (en) | 1993-08-18 |
DE69324513T2 (en) | 1999-10-21 |
EP0555674A3 (en) | 1994-12-28 |
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